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Environmental Systems Research

Table 5 Pearson correlation coefficient matrix for selected metals in groundwater samples (n = 19)

From: Pollution evaluation, sources and risk assessment of heavy metals in hand-dug wells from Ejisu-Juaben Municipality, Ghana

 

Mn

Fe

Cu

Pb

Zn

Cd

Mn

1

     

Fe

−0.047

1

    

Cu

−0.440

0.312

1

   

Pb

−0.304

0.116

0.154

1

  

Zn

−0.500*

0.187

0.580**

0.459*

1

 

Cd

−0.024

−0.021

−0.140

0.583**

−0.017

1

  1. * Correlation is significant at the 0.05 level (2-tailed)
  2. ** Correlation is significant at the 0.01 level (2-tailed)
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